# Tagged Questions

Use this tag for questions concerning the tkz-euclide package which brings support Euclidean geometry macros for TikZ.

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### Draw a tangent of a circle in the form of ray

Reference: How to draw tangent to two touching circles and marking the points With reference to above link I am trying to make the below figure. But I am not able to make the parts added in the ...
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### 3d projection on a line in Tikz-3d

I am trying to draw (in tikz-3d) a perpendicular from a point to a line that is not a coordinate axis. The question is how to find a projection of this point. I need some analog to tikz-euclide: \...
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### How to draw a smooth connections between segments and arcs?

I am trying to make the following path: \documentclass{article} \usepackage{tkz-euclide} \usetkzobj{all} \begin{document} \begin{tikzpicture}[scale=1] %\tkzInit[xmin=-5.1, xmax=12.1, ymin=-5.5, ...
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### How to calculate a square root of the area?

I am trying to tikz-euclide the following picture (it is made in Geogebra). Two solid circles are equal. To guarantee that, the length of the red segment should be \sqrt{S}, where S is the area of ...
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### How to draw arc inside a triangle with tikz?

I wonder how to draw something like this picture using tikz or tkz-euclide. I really don't have any clue what to do first.
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### tkzMarkAngle changes size of tikzpicutre

I am trying to label some 3D figures. Here is a MWE: \documentclass[tikz]{standalone} \usepackage{tikz} \usepackage{tikz-3dplot} \usepackage{tkz-euclide} \usetkzobj{all} \begin{document} \...
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### Bug in tkz-euclide? \tkzInterLL(S1,S2)(L,K) not working when points are defined by \tkzDefBarycentricPoint(A=1,D=2) \tkzGetPoint{K}

I've made this exercise to find the intersection point between a line and a plane. With this code: \documentclass[9pt,handout]{beamer} \usepackage{tkz-base} \usepackage{pgf,tkz-euclide} \usetkzobj{...
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### TikZ using \tkzMarkAngle in pics

I am trying to draw some Penrose tiling in order to learn more about tikz, and I can now make pics and place them. But I can't label angles: if I use \tkzMarkAngle (which would be ideal) in pics, I ...
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### Two labels of different angle in the same position

Why only \beta-\gamma and \epsilon-\eta labels are centered around the same position and the other labels not? \PassOptionsToPackage{table, dvipsnames, svgnames, x11names}{xcolor} \documentclass [...
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### Tkz-euclide problem: figure layout is larger than the real picture

When I use the tkz-euclide object (altitude and bisector) the figure layout is larger than the real picture dimension. How can I do to center and fit my images? \PassOptionsToPackage{table, ...
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### tkz Axe with degree symbol

Is it possible to get an Axe with individual x-steps having the degree symbol? Like $50^\circ$, $100^\circ$ etc.? \documentclass{scrartcl} \usepackage{pgf,tikz,tkz-fct,tkz-euclide} \...
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### Line passing through the midpoints of a triangle

What i have done so far: \documentclass[11pt,a4paper]{article} \usepackage{tikz} \usepackage{tkz-euclide} \usetkzobj{all} \begin{document} \begin{center} \begin{tikzpicture} \tkzDefPoint(2,3....
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### Three lines which are intersecting a triangle

I want to draw three lines, namely l, m and n, which are cutting the triangle. It is possible that my question is very simple but I can't draw this. In fact I am able to draw three line segments with ...
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### Drawing excircle on tkz-euclide

I'm aware that one can draw an incircle of a triangle in tkz-euclide with: \tkzDefCircle[in](A,B,C)\tkzGetPoint{I}\tkzGetLength{r} \tkzDrawCircle[R](I,r pt) Is there a shortcut for drawing the ...
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### How can I draw following figures by using tkz-euclide

I wish to draw the following figures: Three circles in a row having radius 2cm, 3cm and 4cm respectively by using tkz-euclide. Three equilaterals triangles in a row having length of sides 2cm, 3cm ...
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### What is the easiest way to recreate the picture using tikz or tkz-euclide?

I am trying to recreate the following picture in tkz-euclide. One big question I have is if there is a way to create a triangle using only the side lengths. In other words I would like to avoid using ...
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### Horizontal alignment in minipage

My CODE: \documentclass[12pt, letterpaper]{article} \usepackage[ a4paper,top=1in,bottom=1in,left=0.7in,right=0.7in,headheight=14.5pt,]{geometry} \usepackage[utf8]{inputenc} \usepackage[misc]{ifsym} \...
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### Draw Perpendicular to a line

Compile this: \documentclass[12pt, letterpaper]{article} \usepackage[ a4paper,top=1in,bottom=1in,left=0.7in,right=0.7in,headheight=14.5pt,]{geometry} \usepackage[utf8]{inputenc} \usepackage[misc]{...
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### Positioning \tkzLabelAngle Inside Angle [duplicate]

I'm interested in getting the text of \tkzLabelAngle to always position inside the angle. I'm randomly generating these triangles, so I'm hoping there is a general solution that will work for all ...
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### Scaling Figure side by side with tkz-euclide

I am trying to put two figures side by side but the right one should be scaled by a certain factor to appear bigger than the one left figure. My progress so far is the following code. I tried looking ...
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### Save 3D point for later use in TikZ

I want to save a three dimensional point for later use in \sfDefPoint. I am trying to write a command that lets me draw a line (and its projections) between two points using a simple syntax (e.g. \...
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### Precision of \tkzCalcLength

I was typesetting a triangle with tkz-euclide, trying to automate the process as much as possible, and noticed that there is some calculation mistakes when using \tkzCalcLength and \tkzGetLength AND ...
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### Drawing a force parallelogram on scale with \tkzCalclength and \tkzGetlength and siunitx

For making exercises on different scale and different force vectors I want to make drawings like this: The code is: \documentclass{article} \usepackage{tkz-euclide} \usetkzobj{all} \usepackage{...
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### Two circle-stealth segments with same starting point, showing off-set

I want to draw two force. Therefor I'm using the definition of two segments with ikz-euclid. But when you look closely, the two circles are not starting on the same point. It seems like the circle of ...
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### How to divide a segment into n equal pieces in tikz

I want to divide a vector in n pieces. But I want to do this in tikz. Years ago I made my drawing in CorelDraw and the result was this: Now I want to make it in tikz with this code: \documentclass{...
201 views

### How to control \tkzAxeXY number formatting

I've made this drawing: With this code: \documentclass{article} \usepackage[utf8]{inputenc} \usepackage{amsmath} \usepackage{array} \usepackage{amssymb} \usepackage{pgf,tikz,tkz-euclide} \...
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### How do I make a point bigger? (tkz-euclide)

For example let's draw a segment: The code for the segment: \documentclass[12pt,a4paper]{article} \usepackage{tikz,tkz-euclide} \usetkzobj{all} \begin{document} \tikz{ \tkzDefPoints{0/0/A, 5/0/B} \...
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### A problem with the protractor

How to set the protractor to measure the A,C,B angle? Code \documentclass[12pt,a4paper]{article} \usepackage{tikz,tkz-euclide} \usetkzobj{all} \begin{document} \begin{tikzpicture} \tkzDefPoints{...
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### How to draw a circle with the length of a segment?

Previously I posted a question and one answer brought me another question. Here is the code: \documentclass[margin=10pt]{standalone} \usepackage[utf8]{inputenc} \usepackage{tikz,tkz-euclide,xcolor,...
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### Drawing a perpendicular line with the package tkz-euclide

How to draw a perpendicular line from "P" to segment "AB"? Here is the code: \documentclass{standalone} \usepackage[utf8]{inputenc} \usepackage{tikz,tkz-euclide,xcolor,graphicx} \usetkzobj{all} \...
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### The bisector of an angle

I have a problem with a bisector. You can see my picture below I've made so far: You can see the coding as well: \tikz[thick,main node/.style=draw=black,thick]{ \coordinate(A)at(0,0); \coordinate(...
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### Learning tkz-euclide and getting strange errors

I am using mikTeX on windows, and want to make figures of some compass and ruler constructions. So I want to use tkz-euclide. A minimal working example is the following: \documentclass{standalone} \...
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### How can I change the distance of tips of \tkzAxeXY?

I am currently trying to improve the image de.wikipedia.org/wiki/Datei:TrigEinheitskreis.png / create a free version of it. LaTeX This is what I've got so far: \documentclass{article} \usepackage[...
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### Orthogonal Circles Using TikZ

I'm making a diagram in order to explain orthogonal circles to my students. The code I'm using is as follows: \documentclass{article} \usepackage{tikz,tkz-euclide} \usetkzobj{all} \begin{...
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### tkz-euclide x RequirePackage

I was reading into the forums about drawing with TIKZ, as recently I found myself in need to create drawings in my documents - I'm a teacher and I'm trying to use XeLaTeX to create worksheets and also ...
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### How to color the arrow head in \tkzMarkAngle in the same color as the arc representing the angle?

When working on a picture using tikz and tkz-euclide, I observed that changing the color of the oriented arc representing the angle to the same color of the two segments forming this angle didn't ...
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### Control sub line color in tkz-euclide grid

I am interested in using a third color in this grid for the "sub" lines. Is this possible? \documentclass[twoside,12pt]{article} \usepackage[hmargin=0.75in,vmargin=0.5in,includeheadfoot,headheight=...
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### How do I trisect an angle using tkz-euclide?

Using the \tkzDefLine[bisector](A,B,C) command in tkz-euclide, you can bisect an angle. How can I cut an angle in three or more equal parts?
129 views

### TikZ Angle Label - Help it “fit” better?

I have the following drawn with TikZ using the code \documentclass{article} \usepackage{tikz} \usepackage{tkz-euclide} \usetkzobj{all} \begin{document} \begin{tikzpicture} \coordinate (O) at (0,0);...
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### Empty space under a figure

I am getting a significant amount of empty space under the following figure. How do I get rid of it? (I am a new user and I don't know how to post a tex code.) \documentclass{article} \usepackage{...
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### Little problem with \tkzMarkRightAngle

I have this code: \documentclass{article} \usepackage{pgfplots} \pgfplotsset{compat=newest} \usepackage{tikz} \usetikzlibrary{matrix,decorations.pathreplacing} \usetikzlibrary{calc,angles,...
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### Labeling angles in a triangle

I've tried looking at past answers to this question but it won't seem to solve my problem. I want to label the angles ABD and DBC in this triangle: \documentclass{article} \usepackage{tikz,amsmath,...
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### Is there a straight-forward way to measure angles in tkz-euclide?

I'm aware of the pgf macros: \pgfmathanglebetweenpoints and \pgfmathanglebetweenlines What I'd like to know is whether there are any macros in tkz-euclide that more easily accomplish the same ...
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### Setting global styles for elements in tkz-euclide

Is is possible to set global styles for elements when using tkz-euclide? (I have a document with many TikZ figures in it and I want to be able to set different styles for different groups of lines, ...
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### How can I change the placement of a point that has automatically been placed by LaTex?

I used the command \tkzGetPoint{a} to make the angle bisector of the ABC angle. However, the point a gets placed much further below the triangle than I would like and that causes there to be a large ...
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### Make an angle bisector in a triangle

I want to draw a bisector going from the AB segment in this triangle, but I do not know how I can make it so that it does not extend beyond the triangle. Here is my work: \documentclass{article} \...
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### Dealing with overlapping vectors tikz

The following produces undesirable output because the "tails" of the vectors are overlapping and hard to see. Is there a way to automate something better by having all vectors draw only 95% of their ...
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### How to mark a Segment with an arrow in Tkz euclid with the \tkzMarkSegment

I want to draw a light beam on a prism. I've looked and I found that their are a couple of options, but none with an arrow. Any suggestions for doing this in tkz-euclide environment? \documentclass[...